Chapter 6: Earth Science - Forests

Since tropical forests typically have only a few commercially valuable trees per acre, logging operations

The most sustainable land use in tropical forests is probably

Although most of the world's forests are shrinking, biologists are especially concerned about tropical forest loss because

Old-growth forests are notable for containing species that

Knowing that there are many endangered species found in the old growth forests of the United States, what might you expect remains today of all the old growth forests that stood in the United States before European settlement?

Most commercial loggers prefer "clear-cut" harvesting because it

Economically, monoculture forestry is advantageous for the loggers because

Annually, the Forest Service __________ on timber sales mainly because of the emphasis on ________________.

The primary aim of the U.S. Forest Service has historically been to provide ______________ based on Pinchot's philosophy of _________________.

Seasonal migration allows grazing livestock to

The first symptom of range overgrazing is usually

In general, the global range of world deserts are

National parks are an important part of our heritage,

Over the past decade, the number of park visitors has _______ and park budgets have ________.

Most public rangelands are in poor condition due to

Monetary inputs to local economies due to the presence of parks and reserves is

The IUCN world conservation strategy is directed at protecting

The highest rate of forest loss occurs in

Which forest harvest method would leave the forest as close to a natural old growth forest as possible?

The increase in which of the species below would indicate to you that the pasture you see is overgrazed?

A major limiting factor to success of parks and reserves in developing nations would be

What technique might you use to determine size and location of a preserve to protect grizzly bears?

Which of the following statements regarding wildlife refuges is true?

An increased number of cowbirds (a species that likes areas where grassland and forests meet) would be an indicator of

Which nation listed below has the highest deforestation rate?

A promising approach to encourage conservation and preservation in developing countries is

One possible solution to the problem of insufficient land area for preserves is to use _______________ to link smaller habitat areas.

United States national parks are managed by the U.S. Fish and Wildlife Service.

The loss of forests can affect rainfall patterns.

Marine reserves are more common and easier to manage than terrestrial reserves.

Diversity can be preserved by linking reserves together with corridors.

REDD is a forest protection program sponsored by the

A more sustainable form of managing grasslands is

Preservation of genetic diversity essential for breeding programs to improve cultivated plants and domestic animals is part of the